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GB/T 23595.7-2025 Chinese PDF (GB /T23595.7-2025) GB 31604.31-2025 English versions: GB/T 11730-2025
GB/T 23595.7-2025 Chinese PDF (GB /T23595.7-2025) GB 31604.31-2025 English versions: GB/T 11730-2025
$34.95
Description
English versions: GB/T 11730-2025
3-2025_Chinese: Non-destructive testing - Ultrasonic testing block - Part 3: Calibration block for curved surface (Chinese: 无损检测 超声检测试块 第3部分：曲面检测标准试块)
GB/T 31379
GB/T 22452-2025_Chinese: General specification of non-linear optical borate crystal devices (Chinese: 硼酸盐非线性光学单晶元件通用规范)
GB/T 32158-2025_Chinese: Coal-based needle coke (Chinese: 煤系针状焦)
GB/T 23595.7-2025 Chinese PDF (GB /T23595.7-2025) GB 31604.31-2025 English versions: GB/T 11730-2025GB T 23595. 7 2025_Chinese: Test methods of rare earth phosphors for LED Part 7: Determination of thermal quenching (Chinese: LED 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23595. 7 2025
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